Distal Tip for a Delivery Catheter
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Accused Products
Abstract
Distal tips for use with delivery catheters are disclosed that are configured to maintain complete engagement between the distal tip and a distal opening of a sheath component of the delivery catheter so as to prevent separation therebetween and/or to prevent fish-mouthing of a distal leading edge of the sheath component during in vivo use. Distal tips so configured realize one or more of the objectives of safer tracking of the delivery catheter through the vasculature, safe crossing of the delivery catheter through structural components of the vasculature and heart, such as through native valves, and safe removal of the delivery catheter post deployment.
13 Citations
42 Claims
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1-22. -22. (canceled)
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23. A delivery catheter for endoluminal delivery of a prosthesis comprising:
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a tubular component having a distal opening; an inner component at least partially disposed within the tubular component; and a distal tip attached to the inner component, the distal tip having a distally tapered segment, a proximally facing abutment surface, a shelf segment and a proximally tapered segment, the shelf segment being comprised of a compressible material and having a constant outer diameter along an entire length thereof, wherein the length of the shelf segment is defined between the proximally facing abutment surface and a distal end of the proximally tapered segment, wherein, in a delivery configuration of the delivery catheter, the shelf segment of the distal tip is retained within the distal opening of the tubular component by compression of the shelf segment within the distal opening. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A delivery catheter for endoluminal delivery of a prosthesis comprising:
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a tubular component having a distal opening; an inner component at least partially disposed within the tubular component; and a distal tip attached to the inner component, the distal tip having a shelf segment that is a length of the distal tip with a constant outer diameter, wherein the length is defined between a proximally facing abutment surface of the distal tip and a point where an outer diameter of the distal tip begins to reduce from the constant outer diameter, wherein the shelf segment is comprised of a compressible material, and wherein, in a delivery configuration of the delivery catheter, the shelf segment is retained within the distal opening of the tubular component by compression of the shelf segment within the distal opening. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification